The MF680 multifunction process calibrator manufactured by Gometrics is an instrument that combines technology, robustness and ease of use. Ideal for field adjustments or calibrations of a wide variety of process instruments, an ideal compromise between performance, dimensions, ease of use and cost.

The MF680 calibrator is a microprocessor-based digital pressure gauge. The instrument is equipped internally with a strain gauge sensor in stainless steel for ranges above 1 bar.

The new MF680 can also measure or generate current simultaneously. The indication of both variables on the display saves time, while the possibility to work in percentage values for input and output signals reduces the risk of error in the calibration of pressure transmitters.


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  • It is a multifunction process calibrator
  • Versatile and easy to handle
  • Intuitive, multi-language menu for easy access to pressure, measurement or current and voltage measurement functions.

  • Calibration of pressure gauges and electrical signals
  • Multi-function capability to calibrate different instruments: digital indicators, manometers, contact type pressure alarms and pressure or electrical transmitters.

  • Double reading: pressure and current on the same screen,
  • Active or passive display (with or without 24 Vdc source) configurable from the calibrator itself,
  • Data logger for recording and storing data.

Technical specifications

Uncertainty pressure

0,25% FS – 0,10% FS – 0,05% FS

Pressure: Internal sensor range

Min. 0-25 mbar – Max. 0-350 bar

Pressure: External sensor range

Min. 0-25 mbar – Max. 0-1000 bar


Graphical display

Process fitting

1/8 “BSP M internal tapered 60º.

Leak test


Contact test


Barometric sensor



Calibration certificate ENAC

Uncertainty electrical signals

0,025% FS

Electrical signals range reading range mA

0 – 55 mA with external FA

Electrical signals range reading range mV

0 – 200 mV

Electrical signals reading range V

0 – 50 VDC

F. A. 24 Vcc internal


Simultaneous reading


Error indication %


Generation mA

0 – 25 mA

Generation mV

0 – 200 mV

Tension generation

0 – 10 VDC

After-sales service



Length: 185 mm – Width: 97 mm – Height: 52 mm


500 g


Rechargeable NiMH

Autonomy (typical)

12 horas



CE Marking



3 years

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